Home / 30,927.20-42,679.53-17,498.16

Finding the Fourth Proportional to 30,927.20, 42,679.53 and 17,498.16

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Solution

The fourth proportional to 30,927.20, 42,679.53 and 17,498.16 is: 24,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,927.20 : 42,679.53 = 17,498.16 : x
  2. Step 2: Convert to fraction form
    30,927.20/42,679.53 = 17,498.16/x
  3. Step 3: Cross multiply
    30,927.20x = 42,679.53 × 17,498.16
  4. Step 4: Simplify right side
    30,927.20x = 746,813,244.66
  5. Step 5: Solve for x
    x = 746,813,244.66/30,927.20
  6. Step 6: Final answer
    x = 24,147.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.